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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [drivers/] [net/] [sis900.h] - Blame information for rev 1765

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1 1275 phoenix
/* sis900.h Definitions for SiS ethernet controllers including 7014/7016 and 900
2
 * Copyright 1999 Silicon Integrated System Corporation
3
 * References:
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 *   SiS 7016 Fast Ethernet PCI Bus 10/100 Mbps LAN Controller with OnNow Support,
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 *      preliminary Rev. 1.0 Jan. 14, 1998
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 *   SiS 900 Fast Ethernet PCI Bus 10/100 Mbps LAN Single Chip with OnNow Support,
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 *      preliminary Rev. 1.0 Nov. 10, 1998
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 *   SiS 7014 Single Chip 100BASE-TX/10BASE-T Physical Layer Solution,
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 *      preliminary Rev. 1.0 Jan. 18, 1998
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 *   http://www.sis.com.tw/support/databook.htm
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 */
12
 
13
/*
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 * SiS 7016 and SiS 900 ethernet controller registers
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 */
16
 
17
/* The I/O extent, SiS 900 needs 256 bytes of io address */
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#define SIS900_TOTAL_SIZE 0x100
19
 
20
/* Symbolic offsets to registers. */
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enum sis900_registers {
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        cr=0x0,                 //Command Register
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        cfg=0x4,                //Configuration Register
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        mear=0x8,               //EEPROM Access Register
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        ptscr=0xc,              //PCI Test Control Register
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        isr=0x10,               //Interrupt Status Register
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        imr=0x14,               //Interrupt Mask Register
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        ier=0x18,               //Interrupt Enable Register
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        epar=0x18,              //Enhanced PHY Access Register
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        txdp=0x20,              //Transmit Descriptor Pointer Register
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        txcfg=0x24,             //Transmit Configuration Register
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        rxdp=0x30,              //Receive Descriptor Pointer Register
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        rxcfg=0x34,             //Receive Configuration Register
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        flctrl=0x38,            //Flow Control Register
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        rxlen=0x3c,             //Receive Packet Length Register
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        rfcr=0x48,              //Receive Filter Control Register
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        rfdr=0x4C,              //Receive Filter Data Register
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        pmctrl=0xB0,            //Power Management Control Register
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        pmer=0xB4               //Power Management Wake-up Event Register
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};
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/* Symbolic names for bits in various registers */
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enum sis900_command_register_bits {
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        RELOAD  = 0x00000400, ACCESSMODE = 0x00000200,/* ET */
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        RESET   = 0x00000100, SWI = 0x00000080, RxRESET = 0x00000020,
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        TxRESET = 0x00000010, RxDIS = 0x00000008, RxENA = 0x00000004,
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        TxDIS   = 0x00000002, TxENA = 0x00000001
48
};
49
 
50
enum sis900_configuration_register_bits {
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        DESCRFMT = 0x00000100 /* 7016 specific */, REQALG = 0x00000080,
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        SB    = 0x00000040, POW = 0x00000020, EXD = 0x00000010,
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        PESEL = 0x00000008, LPM = 0x00000004, BEM = 0x00000001,
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        /* 635 & 900B Specific */
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        RND_CNT = 0x00000400, FAIR_BACKOFF = 0x00000200,
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        EDB_MASTER_EN = 0x00002000
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};
58
 
59
enum sis900_eeprom_access_reigster_bits {
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        MDC  = 0x00000040, MDDIR = 0x00000020, MDIO = 0x00000010, /* 7016 specific */
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        EECS = 0x00000008, EECLK = 0x00000004, EEDO = 0x00000002,
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        EEDI = 0x00000001
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};
64
 
65
enum sis900_interrupt_register_bits {
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        WKEVT  = 0x10000000, TxPAUSEEND = 0x08000000, TxPAUSE = 0x04000000,
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        TxRCMP = 0x02000000, RxRCMP = 0x01000000, DPERR = 0x00800000,
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        SSERR  = 0x00400000, RMABT  = 0x00200000, RTABT = 0x00100000,
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        RxSOVR = 0x00010000, HIBERR = 0x00008000, SWINT = 0x00001000,
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        MIBINT = 0x00000800, TxURN  = 0x00000400, TxIDLE  = 0x00000200,
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        TxERR  = 0x00000100, TxDESC = 0x00000080, TxOK  = 0x00000040,
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        RxORN  = 0x00000020, RxIDLE = 0x00000010, RxEARLY = 0x00000008,
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        RxERR  = 0x00000004, RxDESC = 0x00000002, RxOK  = 0x00000001
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};
75
 
76
enum sis900_interrupt_enable_reigster_bits {
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        IE = 0x00000001
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};
79
 
80
/* maximum dma burst fro transmission and receive*/
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#define MAX_DMA_RANGE   7       /* actually 0 means MAXIMUM !! */
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#define TxMXDMA_shift           20
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#define RxMXDMA_shift    20
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85
enum sis900_tx_rx_dma{
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        DMA_BURST_512 = 0,       DMA_BURST_64 = 5
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};
88
 
89
/* transmit FIFO threshholds */
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#define TX_FILL_THRESH   16     /* 1/4 FIFO size */
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#define TxFILLT_shift           8
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#define TxDRNT_shift            0
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#define TxDRNT_100              48      /* 3/4 FIFO size */
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#define TxDRNT_10               16      /* 1/2 FIFO size */
95
 
96
enum sis900_transmit_config_register_bits {
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        TxCSI = 0x80000000, TxHBI = 0x40000000, TxMLB = 0x20000000,
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        TxATP = 0x10000000, TxIFG = 0x0C000000, TxFILLT = 0x00003F00,
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        TxDRNT = 0x0000003F
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};
101
 
102
/* recevie FIFO thresholds */
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#define RxDRNT_shift     1
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#define RxDRNT_100      16      /* 1/2 FIFO size */
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#define RxDRNT_10               24      /* 3/4 FIFO size */
106
 
107
enum sis900_reveive_config_register_bits {
108
        RxAEP  = 0x80000000, RxARP = 0x40000000, RxATX = 0x10000000,
109
        RxAJAB = 0x08000000, RxDRNT = 0x0000007F
110
};
111
 
112
#define RFAA_shift      28
113
#define RFADDR_shift    16
114
 
115
enum sis900_receive_filter_control_register_bits {
116
        RFEN  = 0x80000000, RFAAB = 0x40000000, RFAAM = 0x20000000,
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        RFAAP = 0x10000000, RFPromiscuous = (RFAAB|RFAAM|RFAAP)
118
};
119
 
120
enum sis900_reveive_filter_data_mask {
121
        RFDAT =  0x0000FFFF
122
};
123
 
124
/* EEPROM Addresses */
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enum sis900_eeprom_address {
126
        EEPROMSignature = 0x00, EEPROMVendorID = 0x02, EEPROMDeviceID = 0x03,
127
        EEPROMMACAddr   = 0x08, EEPROMChecksum = 0x0b
128
};
129
 
130
/* The EEPROM commands include the alway-set leading bit. Refer to NM93Cxx datasheet */
131
enum sis900_eeprom_command {
132
        EEread     = 0x0180, EEwrite    = 0x0140, EEerase = 0x01C0,
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        EEwriteEnable = 0x0130, EEwriteDisable = 0x0100,
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        EEeraseAll = 0x0120, EEwriteAll = 0x0110,
135
        EEaddrMask = 0x013F, EEcmdShift = 16
136
};
137
 
138
/* For SiS962 or SiS963, request the eeprom software access */
139
enum sis96x_eeprom_command {
140
        EEREQ = 0x00000400, EEDONE = 0x00000200, EEGNT = 0x00000100
141
};
142
 
143
/* Manamgement Data I/O (mdio) frame */
144
#define MIIread         0x6000
145
#define MIIwrite        0x5002
146
#define MIIpmdShift     7
147
#define MIIregShift     2
148
#define MIIcmdLen       16
149
#define MIIcmdShift     16
150
 
151
/* Buffer Descriptor Status*/
152
enum sis900_buffer_status {
153
        OWN    = 0x80000000, MORE   = 0x40000000, INTR = 0x20000000,
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        SUPCRC = 0x10000000, INCCRC = 0x10000000,
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        OK     = 0x08000000, DSIZE  = 0x00000FFF
156
};
157
/* Status for TX Buffers */
158
enum sis900_tx_buffer_status {
159
        ABORT   = 0x04000000, UNDERRUN = 0x02000000, NOCARRIER = 0x01000000,
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        DEFERD  = 0x00800000, EXCDEFER = 0x00400000, OWCOLL    = 0x00200000,
161
        EXCCOLL = 0x00100000, COLCNT   = 0x000F0000
162
};
163
 
164
enum sis900_rx_bufer_status {
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        OVERRUN = 0x02000000, DEST = 0x00800000,     BCAST = 0x01800000,
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        MCAST   = 0x01000000, UNIMATCH = 0x00800000, TOOLONG = 0x00400000,
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        RUNT    = 0x00200000, RXISERR  = 0x00100000, CRCERR  = 0x00080000,
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        FAERR   = 0x00040000, LOOPBK   = 0x00020000, RXCOL   = 0x00010000
169
};
170
 
171
/* MII register offsets */
172
enum mii_registers {
173
        MII_CONTROL = 0x0000, MII_STATUS = 0x0001, MII_PHY_ID0 = 0x0002,
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        MII_PHY_ID1 = 0x0003, MII_ANADV  = 0x0004, MII_ANLPAR  = 0x0005,
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        MII_ANEXT   = 0x0006
176
};
177
 
178
/* mii registers specific to SiS 900 */
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enum sis_mii_registers {
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        MII_CONFIG1 = 0x0010, MII_CONFIG2 = 0x0011, MII_STSOUT = 0x0012,
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        MII_MASK    = 0x0013, MII_RESV    = 0x0014
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};
183
 
184
/* mii registers specific to ICS 1893 */
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enum ics_mii_registers {
186
        MII_EXTCTRL  = 0x0010, MII_QPDSTS = 0x0011, MII_10BTOP = 0x0012,
187
        MII_EXTCTRL2 = 0x0013
188
};
189
 
190
/* mii registers specific to AMD 79C901 */
191
enum amd_mii_registers {
192
        MII_STATUS_SUMMARY = 0x0018
193
};
194
 
195
/* MII Control register bit definitions. */
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enum mii_control_register_bits {
197
        MII_CNTL_FDX     = 0x0100, MII_CNTL_RST_AUTO = 0x0200,
198
        MII_CNTL_ISOLATE = 0x0400, MII_CNTL_PWRDWN   = 0x0800,
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        MII_CNTL_AUTO    = 0x1000, MII_CNTL_SPEED    = 0x2000,
200
        MII_CNTL_LPBK    = 0x4000, MII_CNTL_RESET    = 0x8000
201
};
202
 
203
/* MII Status register bit  */
204
enum mii_status_register_bits {
205
        MII_STAT_EXT    = 0x0001, MII_STAT_JAB        = 0x0002,
206
        MII_STAT_LINK   = 0x0004, MII_STAT_CAN_AUTO   = 0x0008,
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        MII_STAT_FAULT  = 0x0010, MII_STAT_AUTO_DONE  = 0x0020,
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        MII_STAT_CAN_T  = 0x0800, MII_STAT_CAN_T_FDX  = 0x1000,
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        MII_STAT_CAN_TX = 0x2000, MII_STAT_CAN_TX_FDX = 0x4000,
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        MII_STAT_CAN_T4 = 0x8000
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};
212
 
213
#define         MII_ID1_OUI_LO          0xFC00  /* low bits of OUI mask */
214
#define         MII_ID1_MODEL           0x03F0  /* model number */
215
#define         MII_ID1_REV             0x000F  /* model number */
216
 
217
/* MII NWAY Register Bits ...
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   valid for the ANAR (Auto-Negotiation Advertisement) and
219
   ANLPAR (Auto-Negotiation Link Partner) registers */
220
enum mii_nway_register_bits {
221
        MII_NWAY_NODE_SEL = 0x001f, MII_NWAY_CSMA_CD = 0x0001,
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        MII_NWAY_T        = 0x0020, MII_NWAY_T_FDX   = 0x0040,
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        MII_NWAY_TX       = 0x0080, MII_NWAY_TX_FDX  = 0x0100,
224
        MII_NWAY_T4       = 0x0200, MII_NWAY_PAUSE   = 0x0400,
225
        MII_NWAY_RF       = 0x2000, MII_NWAY_ACK     = 0x4000,
226
        MII_NWAY_NP       = 0x8000
227
};
228
 
229
enum mii_stsout_register_bits {
230
        MII_STSOUT_LINK_FAIL = 0x4000,
231
        MII_STSOUT_SPD       = 0x0080, MII_STSOUT_DPLX = 0x0040
232
};
233
 
234
enum mii_stsics_register_bits {
235
        MII_STSICS_SPD  = 0x8000, MII_STSICS_DPLX = 0x4000,
236
        MII_STSICS_LINKSTS = 0x0001
237
};
238
 
239
enum mii_stssum_register_bits {
240
        MII_STSSUM_LINK = 0x0008, MII_STSSUM_DPLX = 0x0004,
241
        MII_STSSUM_AUTO = 0x0002, MII_STSSUM_SPD  = 0x0001
242
};
243
 
244
enum sis900_revision_id {
245
        SIS630A_900_REV = 0x80,         SIS630E_900_REV = 0x81,
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        SIS630S_900_REV = 0x82,         SIS630EA1_900_REV = 0x83,
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        SIS630ET_900_REV = 0x84,        SIS635A_900_REV = 0x90,
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        SIS96x_900_REV = 0X91,          SIS900B_900_REV = 0x03
249
};
250
 
251
enum sis630_revision_id {
252
        SIS630A0    = 0x00, SIS630A1      = 0x01,
253
        SIS630B0    = 0x10, SIS630B1      = 0x11
254
};
255
 
256
#define FDX_CAPABLE_DUPLEX_UNKNOWN      0
257
#define FDX_CAPABLE_HALF_SELECTED       1
258
#define FDX_CAPABLE_FULL_SELECTED       2
259
 
260
#define HW_SPEED_UNCONFIG               0
261
#define HW_SPEED_HOME           1
262
#define HW_SPEED_10_MBPS                10
263
#define HW_SPEED_100_MBPS               100
264
#define HW_SPEED_DEFAULT                (HW_SPEED_100_MBPS)
265
 
266
#define CRC_SIZE                4
267
#define MAC_HEADER_SIZE         14
268
 
269
#define TX_BUF_SIZE     1536
270
#define RX_BUF_SIZE     1536
271
 
272
#define NUM_TX_DESC     16              /* Number of Tx descriptor registers. */
273
#define NUM_RX_DESC     16              /* Number of Rx descriptor registers. */
274
#define TX_TOTAL_SIZE   NUM_TX_DESC*sizeof(BufferDesc)
275
#define RX_TOTAL_SIZE   NUM_RX_DESC*sizeof(BufferDesc)
276
 
277
/* PCI stuff, should be move to pci.h */
278
#define SIS630_VENDOR_ID        0x1039
279
#define SIS630_DEVICE_ID        0x0630

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